:root {
  --bg: #f1eee8;
  --ink: #131210;
  --ink-dim: #5c574f;
  --paper: #faf8f4;
  --accent: #ff4d00;
  --border: #d9d4cb;
  --radius: 18px;
  --container: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  font-size: 17px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }

h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); line-height: 1.1; letter-spacing: -0.02em; font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; letter-spacing: -0.01em; }

/* Labels — фирменный приём: [ метка ] */
.label {
  font-size: 0.85rem;
  text-transform: lowercase;
  letter-spacing: 0.02em;
  color: var(--ink-dim);
  margin-bottom: 36px;
  font-weight: 500;
}
.label--invert { color: rgba(241, 238, 232, 0.65); }

.statement {
  font-size: clamp(1.9rem, 4.5vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 800;
  max-width: 20em;
  margin-bottom: 56px;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--ink);
  color: var(--bg);
  font-weight: 600;
  font-family: inherit;
  padding: 16px 30px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid var(--ink);
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}
.btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateY(-2px); }
.btn--small { padding: 10px 20px; font-size: 0.88rem; }
.btn--big { padding: 19px 38px; font-size: 1.08rem; }
.btn--full { width: 100%; }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--bg); }
.btn--invert { background: var(--bg); color: var(--ink); border-color: var(--bg); }
.btn--invert:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Topbar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(241, 238, 232, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 16px;
  padding-bottom: 16px;
}
.logo {
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.topbar__nav { display: flex; gap: 26px; }
.topbar__nav a {
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 0.86rem;
  transition: color 0.15s ease;
}
.topbar__nav a:hover { color: var(--accent); }

/* Hero */
.hero { padding: 110px 0 90px; }
.hero__title {
  font-size: clamp(2.6rem, 8vw, 6.2rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  font-weight: 900;
  margin-bottom: 64px;
}
.hero__title em {
  font-style: normal;
  color: var(--accent);
}
.hero__bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.hero__sub {
  font-size: 1.25rem;
  line-height: 1.45;
  color: var(--ink-dim);
  max-width: 30em;
}
.hero__cta { justify-self: end; text-align: left; }
.hero__note {
  color: var(--ink-dim);
  font-size: 0.88rem;
  margin-top: 14px;
  max-width: 26em;
}

/* Marquee */
.marquee {
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  overflow: hidden;
  padding: 18px 0;
  background: var(--bg);
}
.marquee__track {
  display: flex;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
  font-size: 1.15rem;
  font-weight: 600;
  text-transform: lowercase;
  letter-spacing: 0.01em;
}
.marquee__track span { padding-right: 0.4em; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Pain */
.pain__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--ink);
}
.pain__item {
  padding: 36px 28px 36px 0;
  border-bottom: 1px solid var(--ink);
}
.pain__item + .pain__item { padding-left: 28px; border-left: 1px solid var(--border); }
.pain__num {
  display: block;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 18px;
}
.pain__item p { color: var(--ink-dim); font-size: 0.97rem; }

/* Approach — тёмная секция */
.approach {
  background: var(--ink);
  color: var(--bg);
}
.approach .statement { color: var(--bg); }
.approach__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.approach__col {
  border: 1px solid rgba(241, 238, 232, 0.25);
  border-radius: var(--radius);
  padding: 34px;
}
.approach__col h3 {
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: lowercase;
  color: rgba(241, 238, 232, 0.65);
  margin-bottom: 22px;
}
.approach__col--us { border-color: var(--accent); }
.approach__col--us h3 { color: var(--accent); }

.list { list-style: none; }
.list li {
  padding: 10px 0 10px 30px;
  position: relative;
  font-size: 1rem;
}
.approach .list li { color: rgba(241, 238, 232, 0.75); }
.approach .list--plus li { color: var(--bg); }
.list--minus li::before { content: "✕"; position: absolute; left: 0; opacity: 0.5; }
.list--plus li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); }

/* Cases: до/после */
.case {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0;
  border-top: 1px solid var(--ink);
}
.case:last-child { border-bottom: 1px solid var(--ink); }
.case__images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.case__shot figcaption {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--ink-dim);
  text-transform: lowercase;
}
.case__shot--after figcaption { color: var(--accent); font-weight: 600; }

.img-placeholder {
  aspect-ratio: 4 / 5;
  width: 100%;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  background: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--ink-dim);
  font-size: 0.9rem;
  overflow: hidden;
}
.img-placeholder img { width: 100%; height: 100%; object-fit: cover; }
.img-placeholder--portrait { max-width: 380px; aspect-ratio: 3 / 4; }

.case__tag {
  font-size: 0.85rem;
  text-transform: lowercase;
  color: var(--ink-dim);
  margin-bottom: 14px;
}
.case__info h3 { font-size: 1.5rem; letter-spacing: -0.02em; }
.case__desc { color: var(--ink-dim); margin: 14px 0 24px; font-size: 0.98rem; }
.case__result {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--accent);
}

/* Steps */
.steps {
  list-style: none;
  border-top: 1px solid var(--ink);
}
.step {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 36px 0;
  border-bottom: 1px solid var(--ink);
  align-items: start;
}
.step__num {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
}
.step h3 { font-size: 1.35rem; }
.step p { color: var(--ink-dim); max-width: 42em; }

/* Scope */
.scope { background: var(--paper); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.scope__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.scope__col h3 {
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: lowercase;
  color: var(--ink-dim);
  margin-bottom: 16px;
}
.scope .list li { padding: 6px 0; font-size: 1.02rem; font-weight: 600; letter-spacing: -0.01em; }

/* About */
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 56px;
  align-items: center;
}
.about__text h2 { margin-bottom: 20px; }
.about__text p { color: var(--ink-dim); margin-bottom: 16px; max-width: 36em; }
.about__text .btn { margin-top: 12px; }

/* Pricing — тёмная секция */
.pricing {
  background: var(--ink);
  color: var(--bg);
  text-align: center;
}
.pricing .label--invert { margin-bottom: 24px; }
.pricing__price {
  font-size: clamp(2.8rem, 9vw, 6rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 28px;
}
.pricing__note {
  color: rgba(241, 238, 232, 0.65);
  max-width: 42em;
  margin: 0 auto 40px;
}

/* Lead form */
.lead__inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: start;
}
.lead__text .statement { margin-bottom: 24px; }
.lead__text p { color: var(--ink-dim); max-width: 32em; }
.lead__form {
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  padding: 34px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.lead__form label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 0.88rem;
  color: var(--ink-dim);
}
.lead__form input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--ink);
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s ease;
}
.lead__form input:focus { border-color: var(--accent); }
.lead__consent { font-size: 0.78rem; color: var(--ink-dim); }
.lead__consent a { color: var(--ink-dim); }
.lead__status { font-size: 0.92rem; min-height: 1.4em; }
.lead__status--ok { color: #1a7f37; }
.lead__status--error { color: #c53030; }

/* FAQ */
.faq { background: var(--paper); border-top: 1px solid var(--border); }
.faq details { border-bottom: 1px solid var(--ink); padding: 22px 0; }
.faq details:first-of-type { border-top: 1px solid var(--ink); }
.faq summary {
  cursor: pointer;
  font-weight: 700;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  letter-spacing: -0.01em;
  list-style: none;
  position: relative;
  padding-right: 44px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "( + )";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
}
.faq details[open] summary::after { content: "( − )"; }
.faq details p { color: var(--ink-dim); margin-top: 14px; max-width: 46em; }

/* Footer */
.footer { padding: 40px 0; border-top: 1px solid var(--ink); }
.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--ink-dim);
  font-size: 0.85rem;
}
.footer a { color: var(--ink-dim); }
.footer__disclaimer { font-size: 0.74rem; opacity: 0.75; }

/* Responsive */
@media (max-width: 900px) {
  section { padding: 64px 0; }
  .hero { padding: 72px 0 64px; }
  .hero__bottom, .approach__grid, .about__inner, .lead__inner { grid-template-columns: 1fr; }
  .hero__cta { justify-self: start; }
  .pain__list { grid-template-columns: 1fr; }
  .pain__item + .pain__item { padding-left: 0; border-left: none; }
  .pain__item { padding-right: 0; }
  .case { grid-template-columns: 1fr; gap: 28px; }
  .scope__grid { grid-template-columns: 1fr 1fr; }
  .topbar__nav { display: none; }
  .step { grid-template-columns: 64px 1fr; }
}

@media (max-width: 560px) {
  .scope__grid { grid-template-columns: 1fr; }
  .case__images { gap: 10px; }
}